Navigation area
[法] 航区
🧩 词语组成解析
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
What did I do with them?
我把它们放在哪儿了？
A fool can ask more questions than seven wise men can answer.
一愚发问，七智结舌。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。